Super-size a classic teaching toy
and put the play back in playground
Build a colorful clock using light pipes that is easy and fast to make
What’s your star sign? Stitch your favorite constellation and light it up for all to see
Build your own “Corsi box” air
purifiers to battle viruses, wildfire
smoke, and indoor air pollution
Make a portable pinhole projector from household stuff to safely watch solar eclipses
It’s a star-filled universe — in your pocket!
We’re going to explore ways to make audio speakers more wearable — not by sewing ordinary hard speakers into garments, but by creating new kinds of speakers out of textiles and conductive thread.
Hunga Tonga-Hunga Ha‘apai is a giant volcano under the South Pacific Ocean, 3,000km (1,860mi) east of Australia.
Televisions these days are technological marvels — absolutely massive yet paper-thin screens with crystal-clear 4K (or better) resolution, up to 120Hz refresh rates, high dynamic range (HDR) color and luminance, and other features that turn living rooms into amazing personal theaters.
“Squaring the circle” is a mathematical challenge as old as geometry itself. The “Cube Orb” LED sphere inverts that goal and takes it to a new dimension.
The Scientific Revolution was a momentous time. Most historians of science agree that during this era — 1500 to 1700 CE — people started thinking differently, more scientifically, about the way the world worked.
Want to build your own battle robot?